[antlr-interest] Re: Checking for expression end in Javascript parser

[Terence Parr]

On Oct 26, 2005, at 1:33 AM, Tech wrote:

> I have overriden consume() in my parser to store the line number of  
> the last token consumed:
>
>    int currentLine = 0;
>
>    public override void consume()
>        {
>            currentLine = LA(1);
>            base.consume();
>        }
>
> I have then defined semi:
>
>    semi
>        :    {currentLine == LT(1).getLine()}? SEMI
>        |    (SEMI)?
>        ;
>
> This seems to work, but gives me lots of disambiguation warnings.  
> What do you think?

Hi Mark,

remove the (...)? around the SEMI as semi is optional...probably not  
waht you want.
Ter